Procaine hydrochloride

Appearance: White crystals or colorless crystalline powder;
Acidity pH: 5.0-6.5;
Solution appearance: Solution S is clear and colorless;
Sulfuric acid ash content: not exceeding 0.1%;
Dry weight loss: not exceeding 0.5%;
Related substances: not exceeding 0.05%;
Aminobenzoic acid: not exceeding 0.5%;
Iron salt: not exceeding 0.001%;
Heavy metals: not exceeding 5PPM;
Content: should be between 99.0% and 101.0%.